<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<frameset rows="20%,*,15%">
		<frame src="index_demo.html">
		<frame src="https://www.baidu.com">
		<frame src="index_demo4.01.html">
	</frameset>

</html>